Каталог стандартов

+7 (495) 223-46-76 +7 (812) 309-78-59
inform@normdocs.ru

DIN EN ISO 717-1:2020-01

Отменен
Acoustics - Rating of sound insulation in buildings and of building elements - Part 1: Airborne sound insulation (ISO/DIS 717-1:2019); German and English version prEN ISO 717-1:2019